Yealink SIP-T48G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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phone first registers to the working server. In a failure situation, the IP phone
registers to the fallback server.
For more information on server redundancy, refer to Server Redundancy on Yealink IP
Phones.
Procedure
Server redundancy can be configured using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure the SIP server redundancy.
Parameters:
account.X.sip_server.Y.address
account.X.sip_server.Y.port
account.X.sip_server.Y.expires
account.X.sip_server.Y.retry_counts
Configure the outbound proxy server
redundancy.
Parameters:
account.X.outbound_proxy_enable
account.X.outbound_host
account.X.outbound_port
account.X.backup_outbound_host
account.X.backup_outbound_port
Fallback Mode:
account.X.fallback.redundancy_type
account.X.fallback.timeout
account.X.outbound_proxy_fallback_interval
Failover Mode:
account.X.sip_server.Y.failback_mode
account.X.sip_server.Y.failback_timeout
account.X.sip_server.Y.register_on_enable
Local
Web User
Interface
Configure the server redundancy on the IP
phone.
Navigate to:
http://<phoneIPAddress>/servlet?p=account
-register&q=load&acc=0

Yealink SIP-T48G Specifications

General

Expansion module support	Yes
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Volume control	-
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
AC adapter input voltage	100 - 240 V
Number of handles included	1 pc(s)

Weight and Dimensions

Width	266 mm
Height	185 mm